Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 6.54
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -3.22 -0.375 1.21
Prot (kg) -6.76 -0.441 2.98
Fertility Sub Index -2.01
Calving Interval (days) 1.08 -1.459 -1.58
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index 0.45
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index -1.41
Live WT (kg) 4.60 -0.307 -1.41
Total Carbon Sub Index 4.37

* Based on an €80/tonne carbon price